20620388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4271}}^1$

素因数の和:4363

約数の個数: 24

約数和(自身を含む): 38755584

約数和(自身を除く): 18135196

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4271, 4828, 8542, 17084, 72607, 145214, 290428, 303241, 606482, 1212964, 5155097, 10310194, 20620388]

約数ペア:

[(1, 20620388), (2, 10310194), (4, 5155097), (17, 1212964), (34, 606482), (68, 303241), (71, 290428), (142, 145214), (284, 72607), (1207, 17084), (2414, 8542), (4271, 4828)]